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Car Alternator as High-Power 12-36V BLDC Motor - Affordable Driver Selection & Assembly

Mnster 26862 63
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Treść została przetłumaczona polish » english Zobacz oryginalną wersję tematu
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  • #61 18951202
    zdziwiony
    Level 27  
    What is the diameter of the whole engine? You mean rotor with magnets?
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  • #62 18951654
    LemuRR 11
    Level 26  
    zdziwiony wrote:
    What is the diameter of the whole engine? You mean rotor with magnets?

    29cm

    Added after 2 [hours] 6 [minutes]:

    Current at full throttle (of course idle) about 4A. I was hoping it would be a little less, but well, the stator is also made of quite thick sheets.
    Compared to the alternator, lower revs, definitely more torque. In no way I am able to slow it down, and the knocking current did not exceed 16A.
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  • #63 18952330
    zdziwiony
    Level 27  
    LemuRR 11 wrote:
    29cm
    Thank you.
  • #64 18957448
    manfredi
    Level 9  
    @ Witch44 how many wires in your case come out of a double wound alternator, in my case, one phase comes out of 4, i.e. a total of 12 wires to connect
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Topic summary

The discussion revolves around the feasibility of using a car alternator as a high-power BLDC motor powered by 12-36V, focusing on affordable driver selection and assembly. Users share experiences and challenges related to modifying alternators for motor use, including the removal of rectifiers and connecting to various controllers. Key points include the importance of excitation current management, the effectiveness of different wiring configurations (star vs. delta), and the use of specific controllers like the Chinese 48V 350W e-bike driver. Users also discuss the performance of different alternators, such as those from Valeo and IVECO, and the potential of washing machine motors as alternatives. The conversation highlights the need for careful tuning of rotor currents and the impact of gear ratios on performance.
Summary generated by the language model.
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